Select the option that can be used as a one-word substitute for the given group of words.
A person who has supreme power or authority

Correct option is B

The correct one-word for the given group of words is Sovereign.
· Sovereign: A person who possesses supreme or ultimate power, often referring to a ruler or monarch. (Hindi: संप्रभु)
· Example: The sovereign of the kingdom ruled with wisdom and justice.
Meanings of the other options:
· (a) Secular: Not connected with religious or spiritual matters (Hindi: धर्मनिरपेक्ष).
· (c) Diversity: A range of different things or variety (Hindi: विविधता).
· (d) Foreign: Belonging to or originating in another country (Hindi: विदेशी).